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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.53 No.6
- 발행연도
- 2015.1
- 수록면
- 1,105 - 1,126 (22page)
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초록· 키워드
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Many vibrating mechanical systems from the real life are modeled as combined dynamicalsystems consisting of beams to which spring-mass secondary systems are attached. In most of thepublications on this topic, masses of the helical springs are neglected. In a paper (Cha et al. 2008) publishedrecently, the eigencharacteristics of an arbitrary supported Bernoulli-Euler beam with multiple in-spanhelical spring-mass systems were determined via the solution of the established eigenvalue problem, wherethe springs were modeled as axially vibrating rods. In the present article, the authors used the assumedmodes method in the usual sense and obtained the equations of motion from Lagrange Equations and arrivedat a generalized eigenvalue problem after applying a Galerkin procedure. The aim of the present paper issimply to show that one can arrive at the corresponding generalized eigenvalue problem by following a quitedifferent way, namely, by using the so-called “characteristic force” method. Further, parametricinvestigations are carried out for two representative types of supporting conditions of the bending beam.
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참고문헌 (23)
참고문헌 신청
Banerjee, J. R. / 2012 / Free vibration of beams carrying spring-mass systems - A dynamic stiffness approach / Comput. Struct 104(105):21~26
Cha, P. D. / 2008 / Eigenfrequencies of an arbitrarily supported beam carrying multiple in-span elastic rod-mass systems / ASME J. Vib. Acoust 130:061008-1-9
Cha, P.D. / 2010 / Using a characteristic force approach to determine the eigensolutions of an arbitrarily supported linear structure carrying lumped attachments / ASME J. Vib. Acoust 132:051011-1-9
Cha, P.D. / 2013 / Private Communication
Darabi, M. A. / 2012 / Free vibrations of beam–mass–spring systems:analytical analysis with numerical confirmation / Acta Mech. Sin 28(2):468~481
Cha, P. D. / 2008 / Eigenfrequencies of an arbitrarily supported beam carrying multiple in-span elastic rod-mass systems / ASME J. Vib. Acoust 130:061008-1-9
Cha, P.D. / 2010 / Using a characteristic force approach to determine the eigensolutions of an arbitrarily supported linear structure carrying lumped attachments / ASME J. Vib. Acoust 132:051011-1-9
Cha, P.D. / 2013 / Private Communication
Darabi, M. A. / 2012 / Free vibrations of beam–mass–spring systems:analytical analysis with numerical confirmation / Acta Mech. Sin 28(2):468~481
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